Re: bgp confederation peer

From: Peng Zheng (zpnist@yahoo.com)
Date: Fri Sep 13 2002 - 00:05:42 GMT-3


IN my question, AS means sub-as number.

--- Becky Qiang <becky.qiang@wincomsystems.com> wrote:
> Hi Peng:
>
> I don't think I understand what your question was.
>
> There are two commands associated with the BGP
> confederation:
> 1) bgp confederation identifier <AS#>
> 2) bgp confederation peers <sub-AS#1,
> sub-AS#2...sub-AS#n>
>
> If I do BGP confederation, I divide my AS in to
> multiple sub-ASs. And each
> sub-AS is treated like an individual system, and I
> configure them just like
> how I configure IBGP(if within the same sub-AS), or
> EBP(if within different
> sub-AS). The only one more thing I need to do on the
> router is to assign a
> real AS number on it.
>
> Maybe you are asking should you specify a neighbor's
> IP address which
> belongs to the same AS#, but a different sub-AS#? I
> don't think it's a
> normal practice. Just like in EBGP, neighbors are
> usually required to be
> directly connected.
>
> Becky
>
> ----- Original Message -----
> From: "Lim Meng Toon" <limmti@yahoo.com.sg>
> To: "Peng Zheng" <zpnist@yahoo.com>;
> <ccielab@groupstudy.com>
> Sent: Thursday, September 12, 2002 6:08 PM
> Subject: Re: bgp confederation peer
>
>
> > Hi,
> >
> > Usually you only need to peer to those routers
> within
> > the confederation as required and not to every
> peers.
> >
> > Thanks
> >
> > --- Peng Zheng <zpnist@yahoo.com> wrote: > Hi,
> > >
> > > Should I only specify AS peers which are
> directly
> > > connected with local router or Specify all ASs
> that
> > > belong to the confederation?
> > >
> > > IN CIM BGP, they specify all ASs. But I
> remember I
> > > saw some examples only specify ASs directly
> > > connected.
> > >
> > >
> > > Which one should be used?
> > >
> > > Thank you for help.
> > >
> > > Best Wishes,
> > > Peng Zheng
> > >
> > >
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